Siffre, stuck in his dark cave, relied on the most primitive clock in the suprachiasmatic nucleus, or SCN of the hypothalamus.

困在黑暗的洞穴里，西弗雷依靠最原始的计时器，它们位于下丘脑的视交叉上核（SCN）中。

The hypothalamic suprachiasmatic nucleus (SCN) is a most important circadian pacemaker, which controls physiological and behaviour rhythm in mammals.

哺乳动物下丘脑视交叉上核（SCN）是昼夜节律最主要的起搏器，控制着机体的生理和行为的节律。

For years, scientists thought that neurons in the brain's suprachiasmatic nuclei, or SCN, regulated our body clocks by firing a lot during the day and less at night.

很多年来，科学家们认为大脑的视交叉上核（SCN）是生物钟中枢，具体机制是此处的神经元白天比夜间更兴奋。

They set up the scn for the play.

他们为戏剧布置了场景。

The scn changed from day to night.

场景从白天变成了夜晚。

The artist painted a beautiful scn.

艺术家画了一幅美丽的场景。

The scn in the movie was very emotional.

电影中的场景非常感人。

The director described the scn in great detail.

导演详细描述了这个场景。

You need add SCN No for each e-packing list.

你们需要在每一个电子版包装列表上增加SCN号。

Also, in some instances SCN serves southern Platte County.

此外，在某些情况下营养服务南部普拉特县。